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ITEM NUMBER
7318BDB
Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement
d90,000 mmBore
D190,000 mmOutside diameter
B43,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for 7318BDB
Units
Technical Specifications
- Type
- Angular Contact Ball Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Type
- Pressed
- Cage Material
- Steel
- Ball Material
- Steel
- Limiting Speed - Oil
- 3700 RPM
- Limiting Speed - Grease
- 2700 RPM
- Precision
- ISO Class 0
- Configuration
- Two
- Preload
- Normal
- Radial Internal Clearance
- CN
- Static Load Rating
- 270000 N 60699 lbf
- Dynamic Load Rating
- 254000 N 57102 lbf
- Enclosure
- Open
- Weight
- 11.710 kg 25.810 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 90.000 mm 3.5430 in
- D
- 190.000 mm 7.4803 in
- B
- 43.000 mm 1.6929 in
- 2B
- 86.000 mm 3.3858 in
- r
- 3.000 mm 0.1181 in
- r1
- 1.100 mm 0.0433 in
- Contact Angle
- 40 º
- da min
- 104.000 mm 4.0945 in
- db min
- 97.000 mm 3.8189 in
- Da max
- 176.000 mm 6.9291 in
- Db max
- 183.000 mm 7.2047 in
- ras max
- 2.500 mm 0.0984 in
- r1as max
- 1.000 mm 0.0394 in
DOCUMENTS & SUPPORT
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